ASTM 7Q

Favorite Datasheet

#ASTM # # #7Q

Description

ASTM 7Q Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM 7Q

Category	Type	Steel Grade
Steel Grades	Carbon Steel	ASTM 7Q
		ASTM 3A
		ASTM 3Q
		ICI 1040
		ASTM 4A
		ASTM 4Q
		ICI 1050
		ASTM 5N
		ICI 6120
		ASTM 6N
		ICI 4020

Chemical composition(mass fraction)(wt.%) of the ASTM 7Q

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25-00.35	0.2-0.8	0.4-0.7	0.04	0.045	0.8-1.1
Mo	Al	Cu	Nb	Ti	W	Ce
0.15-0.25		0.5			0.1
N	Co	Pb	B	Other

Mechanical Properties of steel grade ASTM 7Q

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
725 (≥)	341 (≥)	31	14	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade ASTM 7Q

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
21	-	-			0.42	-
665	572	-	32.3	313		-
686	-	11	44.2			333	231

Heat Treatment of steel grade ASTM 7Q

Heat treated : 1668°C - 1948°C

Technological Curves of steel grade ASTM 7Q

No Curve

Cross Reference Table (Equivalent Grade) of ASTM 7Q

Grade	Standard	Country	Application
ASTM 1030	ASTM	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
ASTM 1008	ASTM	USA	General use carbon steel bar
ASTM 1010	ASTM	USA	General use carbon steel bar
ASTM 1013	ASTM	USA	General use carbon steel bar
ASTM 1015	ASTM	USA	General use carbon steel bar
ASTM 1016	ASTM	USA	General use carbon steel bar
ASTM 1017	ASTM	USA	General use carbon steel bar
ASTM 1018	ASTM	USA	General use carbon steel bar
ASTM 1019	ASTM	USA	General use carbon steel bar
ASTM 1020	ASTM	USA	General use carbon steel bar
ASTM 1021	ASTM	USA	General use carbon steel bar
ASTM W1-A	ASTM	USA	Carbon tool steel
ASTM A182 F55	ASTM	USA	Super Duplex
ASTM 431	ASTM	USA	Martensitic special steel
ASTM 440A	ASTM	USA	Martensitic special steel
ASTM 440B	ASTM	USA	Martensitic special steel
ASTM 440C	ASTM	USA	Martensitic special steel
ASTM 501	ASTM	USA	Martensitic special steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

REQUEST FOR QUOTATION

Do you supply this ASTM 7Q?
List your company on S&G now? Join
Non-paying users only

Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel